2018 · Q27
A train moving with a speed of 60 km per hour crosses an electric pole in 30 seconds. What is the length of the train in meters?
Elementary MathematicsTime, Speed and Distance
- A300
- B400
- C500
- D600
Explanation
Convert the speed: 60 km/h = 60 × 1000/3600 = 50/3 m/s. In 30 s the train covers (50/3) × 30 = 500 m, which is the train's length, option (C).